Dell P2214H Monitor - Manual (Page 37)

Energy
Settings
Energy Smart To turn on or off dynamic dimming.
The dynamic dimming feature automatically reduces the screen's
brightness level when the displayed image contains a high proportion
of bright areas.
Power Allows you to set the power LED indicator on or off to save energy.
Button LED
USB Allows you to enable or disable USB function during monitor standby
mode.
NOTE: USB ON/OFF under standby mode is only available when the
USB upstream cable is unplugged. This option will be greyed out when
the USB upstream cable plugs in.
Reset Energy Select this option to restore default Energy Settings.
Settings
Operating the Monitor | 37